21086846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 36961920

約数和(自身を除く): 15875074

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 827, 1159, 1342, 1654, 2318, 9097, 12749, 15713, 18194, 25498, 31426, 50447, 100894, 172843, 345686, 554917, 958493, 1109834, 1916986, 10543423, 21086846]

約数ペア:

[(1, 21086846), (2, 10543423), (11, 1916986), (19, 1109834), (22, 958493), (38, 554917), (61, 345686), (122, 172843), (209, 100894), (418, 50447), (671, 31426), (827, 25498), (1159, 18194), (1342, 15713), (1654, 12749), (2318, 9097)]